Communication method and device

Abstract

The embodiment of the invention provides a communication method, and the method comprises the steps: determining a first frequency domain range according to a first control resource, and enabling the first frequency domain range to be a part of the frequency domain range in the working bandwidth of terminal equipment; the terminal equipment has multiple working modes, the first working mode comprises receiving first data of the terminal equipment on a first time-frequency resource in a first frequency domain range, and the distance between the first time-frequency resource and a first control resource on a time domain is smaller than or equal to a first threshold value; the second working mode comprises receiving second data of the terminal device on a second time-frequency resource in the frequency domain range of the working bandwidth, and the distance between the second time-frequency resource and the time domain of the first control resource is greater than a first threshold value, so that the range of received data can be related to the distance between the time domain and the control resource, and the distance between the time domain and the control resource can be obtained. And the monitoring power consumption is saved.

Description

Technical Field

[0001] This application relates to the field of communications, and in particular, to a communication method and apparatus. Background Art

[0002] When a terminal device receives downlink data, it monitors the entire frequency band of a large bandwidth, and at the same time performs blind detection on the search space (SS) in the control resource set (CORESET) to obtain downlink control information, so as to ensure timely reception of downlink data. However, monitoring a large bandwidth consumes a large amount of power.

[0003] Therefore, how to save the monitoring power consumption has become an urgent problem to be solved. Summary of the Invention

[0004] This application provides a communication method and apparatus, which can reduce the monitored frequency band range and save the monitoring power consumption.

[0005] In a first aspect, a communication method is provided. The method includes: determining a first frequency domain range according to a first control resource of a terminal device, where the first frequency domain range is a partial frequency domain range within the working bandwidth of the terminal device; using a first working mode, the first working mode includes receiving first data of the terminal device on a first time-frequency resource within the first frequency domain range, where the time-domain distance between the first time-frequency resource and the first control resource is less than or equal to a first threshold, using a second working mode, the second working mode includes receiving second data of the terminal device on a second time-frequency resource within the frequency domain range of the working bandwidth, where the time-domain distance between the second time-frequency resource and the first control resource is greater than the first threshold.

[0006] Or,

[0007] Using a first working mode, where the first time-frequency resource and the first control resource are in different time slots and the time-domain distance is less than or equal to the first threshold, or the first control resource and the first time-frequency resource are in the same time slot, using a second working mode, where the first control resource and the second time-frequency resource are in different time slots and the time-domain distance is greater than the first threshold, where the first threshold is preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of protocol preset thresholds.

[0008] The above method is executed by a communication device. The communication device can be a terminal device, or a device capable of supporting the terminal device to implement this function, such as a chip system or a chip. This device can be installed in the terminal device. In the embodiments of this application, the chip system can be composed of chips, or can include chips and other discrete devices.

[0009] In the embodiments of the present application, the terminal device has different working modes and can switch the working mode as needed. When operating in the first working mode, it receives the data expected to be received within the first frequency domain range, reducing the monitored frequency band range compared to the second working mode and saving the power consumption of monitoring.

[0010] In combination with the first aspect, in some implementation manners of the first aspect, the first frequency domain range is the same as the frequency domain range of the first control resource.

[0011] In combination with the first aspect, in some implementation manners of the first aspect, the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource is located.

[0012] In combination with the first aspect, in some implementation manners of the first aspect, the first frequency domain range is the same as the frequency domain ranges of the first control resource and the second control resource and the frequency domain range between the first control resource and the second control resource, where the time domain distance between the first control resource and the second control resource is less than or equal to the second threshold, or the first control resource and the second control resource are in the same time slot.

[0013] In combination with the first aspect, in some implementation manners of the first aspect, the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain ranges of the sub-bands where the first control resource and the second control resource are located and the sub-band between the first control resource and the second control resource, where the time domain distance between the first control resource and the second control resource is less than or equal to the second threshold, or the first control resource and the second control resource are in the same time slot.

[0014] In the embodiments of the present application, when the time domain distances of multiple control resources are relatively close, the first frequency domain range is determined by comprehensively considering multiple control resources, which can ensure that the terminal device monitors the control information and guarantees the communication reliability.

[0015] In combination with the first aspect, in some implementation manners of the first aspect, the first control resource is in front of the first time-frequency resource in the time domain. The method further includes: receiving downlink control information on the third time-frequency resource, where the third time-frequency resource is within the first frequency domain range and within the third control resource, and the third control resource is after the first time-frequency resource in the time domain and the time domain distance from the first time-frequency resource is less than or equal to the third threshold, or the time domain of the third control resource is in the same time slot as the first time-frequency resource.

[0016] In the embodiments of the present application, when the control resource after the data is relatively close to the time-frequency resource where the data is located in the time domain, the terminal device can only receive the downlink control information within the first frequency domain range, thereby reducing the monitoring bandwidth and saving the monitoring power consumption.

[0017] In combination with the first aspect, in some implementations of the first aspect, the method further includes: sending first information, where the first information is used to indicate that the terminal device supports the first working mode.

[0018] In combination with the first aspect, in some implementations of the first aspect, the method further includes: receiving second information, where the second information is used to enable the first working mode of the terminal device.

[0019] In combination with the first aspect, in some implementations of the first aspect, the method further includes: within a range where the time-domain distance from the first control resource is less than or equal to a first threshold, or within the same time slot as the first control resource, stopping listening to other frequency-domain ranges in the working bandwidth except for the first frequency-domain range.

[0020] In the embodiments of the present application, the terminal device only listens to downlink data within the first frequency-domain range, greatly reducing the listening range while ensuring normal data reception and saving the power consumption of listening.

[0021] In a second aspect, a communication method is provided. The method includes: determining a first frequency-domain range of first time-frequency resources of first data of a terminal device according to a first control resource of the terminal device, where the first frequency-domain range is a partial frequency-domain range within the working bandwidth of the terminal device.

[0022] When the time-domain distance between the first time-frequency resource and the first control resource is less than or equal to the first threshold, use the first working mode, where the first working mode includes sending the first data of the terminal device on the first time-frequency resources within the first frequency-domain range. When the time-domain distance between the second time-frequency resource and the first control resource is greater than the first threshold, use the second working mode, where the second working mode includes sending the second data of the terminal device on the second time-frequency resources within the frequency-domain range of the working bandwidth.

[0023] Or,

[0024] When the first time-frequency resource and the first control resource are in different time slots and the time-domain distance is less than or equal to the first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, use the first working mode. When the first control resource and the second time-frequency resource are in different time slots and the time-domain distance is greater than the first threshold, use the second working mode, where the first threshold is preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of protocol preset thresholds.

[0025] This method can be executed by a communication device. Among them, the communication device can be a network device, or it can also be a chip or circuit for a network device. The present application does not make any limitations in this regard.

[0026] In an embodiment of the present application, when sending the first data of the sending terminal device, there are multiple working modes. In the first working mode, the frequency domain range for sending the data is determined according to the time-frequency resources occupied by the data and the control resources closer in distance, so that the terminal device does not have to monitor the entire bandwidth, and the terminal device can save the power consumption of monitoring.

[0027] In combination with the second aspect, in some implementation manners of the second aspect, the first frequency domain range is the same as the frequency domain range of the first control resource.

[0028] In combination with the second aspect, in some implementation manners of the second aspect, the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource is located.

[0029] In combination with the second aspect, in some implementation manners of the second aspect, the first frequency domain range is the same as the frequency domain ranges of the first control resource and the second control resource and the frequency domain range between the first control resource and the second control resource, where the second control resource is the control resource before the first control resource, and the time domain distance between the first control resource and the second control resource is less than or equal to the second threshold, or the first control resource and the second control resource are in the same time slot.

[0030] In combination with the second aspect, in some implementation manners of the second aspect, the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain ranges of the sub-bands where the first control resource and the second control resource are located and the sub-band between the first control resource and the second control resource, where the second control resource is the control resource before the first control resource, and the time domain distance between the first control resource and the second control resource is less than or equal to the second threshold, or the first control resource and the second control resource are in the same time slot.

[0031] In an embodiment of the present application, when the time domain distances of multiple control resources are relatively close, the first frequency domain range is determined by comprehensively considering multiple control resources, which can ensure the monitoring of control information by the terminal device and ensure communication reliability.

[0032] In combination with the second aspect, in some implementation manners of the second aspect, the first control resource is before the first time-frequency resource in the time domain. The method further includes: sending the downlink control information on the second time-frequency resource in the third control resource within the first frequency domain range, where the third control resource is after the first time-frequency resource in the time domain and the time domain distance from the first time-frequency resource is less than or equal to the third threshold, or the time domain of the third control resource is in the same time slot as the first time-frequency resource.

[0033] In an embodiment of the present application, when the control resource after the data is close to the time-frequency resource where the data is located in the time domain, the downlink control information can be sent only within the first frequency domain range, thereby reducing the listening bandwidth of the terminal device and enabling the terminal device to save listening power consumption.

[0034] In combination with the second aspect, in some implementation manners of the second aspect, the method further includes: receiving first information, where the first information is used to indicate that the terminal device supports the first working mode.

[0035] In combination with the second aspect, in some implementation manners of the second aspect, the method further includes: sending second information, where the second information is used to enable the first working mode of the terminal device.

[0036] In a third aspect, a communication device is provided, and the device is used to execute the method provided in any one of the first aspect or the second aspect above. Specifically, the device may include units and / or modules for executing the method provided in any implementation manner of any one of the first aspect or the second aspect, such as a processing unit and / or a communication unit.

[0037] In one implementation manner, the device is a communication device (such as a receiving device or a sending device). When the device is a communication device, the communication unit may be a transceiver or an input / output interface; the processing unit may be at least one processing circuit, such as a processor or a circuit in the processor for processing functions. Optionally, the transceiver may be a transceiver circuit. Optionally, the input / output interface may be an input / output circuit.

[0038] In another implementation manner, the device is a chip, a chip system, or a circuit used in a communication device. When the device is a chip, a chip system, or a circuit used in a terminal device, the communication unit may be an input / output interface, an interface circuit, an output circuit, an input circuit, a pin, or a related circuit, etc. on the chip, the chip system, or the circuit; the processing unit may be at least one processor, a processing circuit, or a logic circuit, etc.

[0039] In a fourth aspect, a communication device is provided, and the device includes: at least one processing circuit for executing the method provided in any implementation manner of any one of the first aspect or the second aspect above.

[0040] In one implementation manner, the device is a communication device (such as a network device or a terminal device).

[0041] In another implementation manner, the device is a chip, a chip system, or a circuit used in a communication device.

[0042] The communication device may include a transceiver circuit. When the device is a communication equipment, the transceiver circuit may be a transceiver. When the device is a chip, a chip system or a circuit for a communication equipment, the transceiver circuit may be an interface circuit or an input / output circuit.

[0043] Optionally, the at least one processing circuit may be configured to execute a computer program or instructions stored in a memory to perform the method provided in any implementation manner of any one of the above first aspect or second aspect. The memory may be located inside the communication device or outside the communication device.

[0044] Optionally, the communication device further includes the memory.

[0045] In a fifth aspect, the present application provides a processing circuit (or a processor) for performing the methods provided in the above aspects.

[0046] For operations such as sending and obtaining / receiving involved in the processing circuit (or the processor), if there is no special description, or if it does not conflict with its actual role or internal logic in the relevant description, it may be understood as operations such as output and input of the processing circuit, or it may also be understood as sending and receiving operations performed by the radio frequency circuit and the antenna. The present application does not make any limitation in this regard.

[0047] In a sixth aspect, a computer-readable storage medium is provided. The computer-readable medium stores program code for a device to execute. The program code includes a method for performing the method provided in any implementation manner of any one of the above first aspect or second aspect.

[0048] In a seventh aspect, a computer program product containing instructions is provided. When the computer program product runs on a computer, the computer is caused to execute the method provided in any implementation manner of any one of the above first aspect or second aspect.

[0049] In an eighth aspect, a chip is provided. The chip includes a processing circuit and a communication interface. The processing circuit reads instructions stored on a memory through the communication interface and executes the method provided in any implementation manner of any one of the above first aspect or second aspect.

[0050] Optionally, as an implementation manner, the chip further includes a memory. A computer program or instructions are stored in the memory. The processing circuit is configured to execute the computer program or instructions stored on the memory. When the computer program or instructions are executed, the processing circuit is configured to execute the method provided in any implementation manner of any one of the above first aspect or second aspect.

[0051] In a ninth aspect, a communication system is provided, including the aforementioned communication device, such as a communication device that executes the method provided in any one of the implementations of the first aspect, and a communication device that executes the method provided in any one of the implementations of the second aspect. Description of the Drawings

[0052] Figure 1 It is a schematic diagram of an exemplary communication scenario in an embodiment of the present application.

[0053] Figure 2 It is an exemplary schematic diagram of control resources in an embodiment of the present application.

[0054] Figure 3 It is a schematic diagram of a communication method in an embodiment of the present application.

[0055] Figure 4 It is a schematic diagram of a communication method in another embodiment of the present application.

[0056] Figure 5 It is a schematic diagram of a communication method provided in still another embodiment of the present application.

[0057] Figure 6 It is a schematic diagram of a communication method provided in an embodiment of the present application.

[0058] Figure 7 It is a schematic diagram of a communication device provided in an embodiment of the present application.

[0059] Figure 8 It is a schematic diagram of a communication device provided in an embodiment of the present application. Detailed Embodiments

[0060] Next, the technical solutions in the present application will be described with reference to the drawings.

[0061] The technical solutions provided by this application can be applied to various communication systems, such as: the fifth generation (5G) or new radio (NR) system, the long term evolution (LTE) system, the LTE frequency division duplex (FDD) system, the LTE time division duplex (TDD) system, etc. The technical solutions provided by this application can also be applied to future communication systems, such as the sixth generation mobile communication system. The technical solutions provided by this application can also be applied to sidelink (SL) communication, vehicle-to-everything (V2X) communication, machine to machine (M2M) communication, machine type communication (MTC), and the internet of things (IoT) communication system or other communication systems. As an example, V2X can include vehicle-to-vehicle (V2V), vehicle-to-pedestrian (V2P), vehicle-to-infrastructure (V2I). Among them, the infrastructure is, for example, a road side unit (RSU) or a network device.

[0062] The terminal devices in the embodiments of the present application include various devices with wireless communication functions, which can be used to connect people, objects, machines, etc. The terminal devices can be widely applied to various scenarios, such as: cellular communication, SL, V2X, peer-to-peer (P2P), M2M, MTC, IoT, virtual reality (VR), augmented reality (AR), industrial control, autonomous driving, telemedicine, smart grid, smart furniture, smart office, smart wearables, smart transportation, smart city drones, robots, remote sensing, passive sensing, positioning, navigation and tracking, autonomous delivery, and other scenarios. The terminal device can be a terminal in any of the above scenarios, such as an MTC terminal, an IoT terminal, etc. The terminal device can be a user equipment (UE), a terminal, a fixed device, a mobile station device, or a mobile device, a subscriber unit, a handheld device, a vehicle-mounted device, a wearable device, a cellular phone, a smart phone, a session initiation protocol (SIP) phone, a wireless data card, a personal digital assistant (PDA), a computer, a tablet computer, a laptop computer, a wireless modem, a handset, a laptop computer, a computer with wireless transceiver functions, a smart book, a vehicle, a satellite, a global positioning system (GPS) device, a target tracking device, an aircraft (such as a drone, a helicopter, a multi-helicopter, a quadcopter, or an airplane, etc.), a ship, a remote control device, a smart home device, an industrial device, or a device built into the above devices (such as a communication module, a modem, or a chip in the above devices), or other processing devices connected to a wireless modem.

[0063] It should be understood that in some scenarios, the terminal device can also be used as a base station. For example, the terminal device can act as a scheduling entity, which provides sidelink signals between terminal devices in scenarios such as V2X, SL, or P2P.

[0064] In the embodiments of the present application, the apparatus for implementing the functions of a terminal device, that is, the terminal apparatus, may be a terminal device or an apparatus capable of supporting the terminal device to implement such functions, such as a chip system or a chip, and this apparatus may be installed in the terminal device. In the embodiments of the present application, the chip system may be composed of chips or may include chips and other discrete devices.

[0065] The network device in the embodiments of the present application may be a device for communicating with a terminal device. This network device may also be referred to as an access network device or a radio access network device. For example, the network device may be a base station. The base station may generally cover various names in the following or be replaced with the following names. For example: Node B, evolved Node B (eNB), next generation Node B (gNB), relay station, access point, transmitting and receiving point (TRP), transmitting point (TP), master station, secondary station, multi-mode radio (MSR) node, home base station, network controller, access node, radio node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. The base station may be a macro base station, a micro base station, a relay node, a donor node or the like, or a combination thereof. The base station may also refer to a communication module, a modem or a chip disposed in the foregoing device or apparatus. The base station may also be a mobile switching center and a device that undertakes the functions of a base station in D2D, V2X, M2M communications, a network-side device in a 6G network, a device that undertakes the functions of a base station in a future communication system, etc. The base station may support networks of the same or different access technologies. The embodiments of the present application do not limit the specific technologies and specific device forms adopted by the network device.

[0066] The base station may be fixed or mobile. For example, a helicopter or a drone may be configured to act as a mobile base station, and one or more cells may move according to the position of the mobile base station. In other examples, a helicopter or a drone may be configured to be a device for communicating with another base station.

[0067] In the embodiments of the present application, the device for implementing the functions of a network device may be an independent network device, or may be discrete devices and software capable of supporting the network device to implement such functions. When software and hardware are combined to implement the functions of the network device, the device may be installed in the network device. In the embodiments of the present application, the chip system may be composed of chips, or may include chips and other discrete devices.

[0068] The network device and the terminal device may be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; may also be deployed on the water surface; may also be deployed on aircraft, balloons and satellites in the air. In the embodiments of the present application, the scenarios where the network device and the terminal device are located are not limited. In addition, the terminal device and the network device may be hardware devices, or may be software functions running on dedicated hardware or software functions running on general hardware. For example, they may be virtualized functions instantiated on a platform (such as a cloud platform), or may be entities including dedicated or general hardware devices and software functions. The present application does not limit the specific forms of the terminal device and the network device.

[0069] The following will describe the technical solutions in the embodiments of the present application in conjunction with the accompanying drawings in the embodiments of the present application. Among them, in the description of the present application, unless otherwise specified, " / " means that the objects associated before and after are in an "or" relationship. For example, A / B may represent A or B; "and / or" in the present application is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. These three situations, where A and B can be singular or plural. And, in the description of the present application, unless otherwise specified, "a plurality of" means two or more than two. "At least one (item)" or its similar expression refers to any combination of these items, including any combination of single item (item) or plural items (items). For example, at least one (item) of a, b, or c can represent: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, c can be single or multiple. In addition, in order to clearly describe the technical solutions in the embodiments of the present application, in the embodiments of the present application, words such as "first" and "second" are used to distinguish the same items or similar items with basically the same functions and roles. Those skilled in the art can understand that the words such as "first" and "second" do not limit the quantity and execution order, and the words such as "first" and "second" do not necessarily limit to be different. At the same time, in the embodiments of the present application, words such as "exemplary" or "for example" are used to represent examples, illustrations or explanations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present application should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Exactly speaking, using words such as "exemplary" or "for example" aims to present relevant concepts in a specific way for easy understanding.

[0070] In addition, the network architecture and service scenarios described in the embodiments of the present application are for more clearly explaining the technical solutions in the embodiments of the present application, and do not constitute a limitation on the technical solutions provided in the embodiments of the present application. Those of ordinary skill in the art know that with the evolution of the network architecture and the emergence of new service scenarios, the technical solutions provided in the embodiments of the present application are equally applicable to similar technical problems.

[0071] Figure 1 is a schematic diagram of an exemplary communication scenario in the embodiments of the present application.

[0072] As Figure 1 shown in the communication system, the communication system includes a core network device 110, a radio access network device 120, and at least one terminal device (for example Figure 1The first terminal device 130 and the second terminal device 140 in). The terminal device is connected to the radio access network device in a wireless manner, and the radio access network device 120 is connected to the core network device 110 in a wireless or wired manner. The core network device 110 and the radio access network device 120 can be independent different physical devices, or the functions of the core network device 110 and the logical functions of the radio access network device 120 can be integrated on the same physical device, or the functions of part of the core network device and part of the radio access network device can be integrated on one physical device. The terminal device can be fixed in position or movable. Figure 1 This is only a schematic diagram. Other network devices may also be included in this communication system, such as wireless relay devices and wireless backhaul devices, which are not drawn in Figure 1 This application does not limit the number of core network devices 110, radio access network devices 120, and terminal devices included in this mobile communication system. The network device in the following text may refer to the radio access network device 120, or may be a radio access network device 120 with the functions of a core network device. This application does not make any limitations in this regard.

[0073] The embodiments of this application can be used for downlink signal transmission, can also be applicable to uplink signal transmission, and can also be applicable to device-to-device (D2D) signal transmission, that is, the sidelink (SL) scenario. For downlink signal transmission, the sending device is the network device, and the corresponding receiving device is the terminal device. For uplink signal transmission, the sending device is the terminal device, and the corresponding receiving device is the network device. For D2D signal transmission, the sending device is the terminal device, and the corresponding receiving device is also the terminal device. The embodiments of this application do not limit the transmission direction of the signal.

[0074] Communication can be carried out between the network device and the terminal device and between the terminal devices through licensed spectrum, or through unlicensed spectrum, or through both licensed spectrum and unlicensed spectrum at the same time. Communication can be carried out between the network device and the terminal device and between the terminal devices through a spectrum below 6G, or through a spectrum above 6G, or through both a spectrum below 6G and a spectrum above 6G at the same time. The embodiments of this application do not limit the spectrum resources used between the radio access network device and the terminal device.

[0075] During the communication process between the network device and the terminal device, the signal is carried on a carrier. The currently supported carrier bandwidth is as follows in the table:

[0076] Table 1

[0077]

[0078] Note: The range of FR1 (frequency range 1) is 410 MHz to 7125 MHz.

[0079] Table 2

[0080]

[0081] Note: FR2 (frequency range 2) can be further divided into FR2-1 and FR2-2. Among them, the range of FR2-1 is 24250 MHz to 52600 MHz, and the range of FR2-2 is 52600 MHz to 71000 MHz.

[0082] Among them, Table 1 is the maximum transmission bandwidth configuration N of FR1 RB (Unit: RB), and Table 2 is the maximum transmission bandwidth configuration N of FR2 RB (Unit: resource block (RB)).

[0083] The maximum transmission bandwidth refers to the maximum carrier bandwidth, and N RB is the number of resource blocks corresponding to the carrier bandwidth and subcarrier spacing.

[0084] Currently, a bandwidth part (BWP) is also introduced. BWP refers to a part of the frequency domain resources within the carrier bandwidth allocated by the network device to the terminal device. BWP can include multiple consecutive physical resource blocks (PRB), and the frequency domain range of BWP can be less than or equal to the carrier bandwidth. When configuring resources for the terminal device, the network device can configure one or more BWPs for a terminal device within one carrier bandwidth.

[0085] There can be some frequency domain ranges that are the same or all different between multiple BWPs.

[0086] The subcarrier spacing of the frequency domain resources included in different BWPs can be the same or different.

[0087] As shown in Table 1 and Table 2, the subcarrier spacing values can include 15 KHz, 30 KHz, or 60 KHz, etc. The above are only exemplary, and as long as the subcarrier spacing that meets the protocol regulations can belong to the subcarrier spacing covered by the embodiments of this application. The subcarrier spacing can also be the frequency domain range of a resource element (RE).

[0088] For terminal devices, multiple downlink carriers and multiple uplink carriers are usually supported to increase capacity. For example, currently terminal devices can support 16 downlink carriers. However, the increase in the number of downlink carriers will increase the complexity of scheduling management by network devices and reception management by terminal devices. Another direction is to expand the bandwidth of carriers or BWPs.

[0089] Taking FR1 as an example, the maximum bandwidth supported by a 15 kHz subcarrier spacing is -50 MHz, corresponding to 270 PRBs; the maximum bandwidth supported by a 30 kHz subcarrier spacing is 100 MHz, corresponding to 273 PRBs. If a large data block needs to be transmitted, it can be divided into several parts and transmitted simultaneously on multiple carriers, or the maximum bandwidth of a single carrier can be increased, in which case only one piece of scheduling information is required.

[0090] Figure 2 It is an exemplary schematic diagram of control resources according to an embodiment of the present application.

[0091] During the communication process, downlink control information (DCI) is carried on the Physical Downlink Control Channel (PDCCH) to schedule the Physical Downlink Shared Channel (PDSCH) or the Physical Uplink Shared Channel (PUSCH).

[0092] According to different uses and contents, DCI can be divided into multiple formats and scrambled with different Radio Network Temporary Identifiers (RNTIs). The network device can configure control resources (or called candidate PDCCH sets) for the terminal device through high-layer signaling (such as RRC signaling). The terminal can try to decode each candidate PDCCH in the candidate PDCCH set, that is, perform a cyclic redundancy check (CRC) on the information on the candidate PDCCH using the corresponding RNTI, and determine whether DCI is received according to the check result. The behavior of the terminal device trying to decode each candidate PDCCH to determine whether the corresponding DCI is received can also be called blind detection (BD).

[0093] The control resources in the embodiments of the present application can refer to the control resources within a BWP range, and the PDSCH scheduled by DCI is also within a BWP range.

[0094] The control resources may include a control resource set (CORESET), a search space (SS), or candidate PDCCHs.

[0095] Among them, a CORESET may occupy 1 to 3 symbols in the time domain and may be continuous or discontinuous in the frequency domain. A terminal device may have one or more SSs on a CORESET, and the frequency domain range of each SS is less than or equal to the frequency domain range of the CORESET.

[0096] Such as Figure 2 Shown is an example of possible SSs at different aggregation levels (ALs), where each square represents a control-channel element (CCE). In the NR system, one CCE is composed of 6 resource-element groups (REGs), and one REG corresponds to one OFDM symbol in the time domain dimension and one RB (12 subcarriers) in the frequency domain dimension. The grid-patterned squares in the figure may be, for example, a common search space, and the black squares in the figure may be, for example, a terminal-specific search space. The above examples are only exemplary and should not constitute an undue limitation on the embodiments of the present application.

[0097] An SS may be composed of one or more candidate PDCCHs, and the frequency domain ranges of different candidate PDCCHs may be the same, may partially overlap, or may be different. The frequency domain ranges of candidate PDCCHs of different SSs may also be the same, may partially overlap, or may be different.

[0098] The network device may simultaneously configure multiple SSs for the terminal device. The multiple SSs may be used to detect DCIs of different formats or DCIs carrying different control information.

[0099] The terminal device may perform blind detection on the control resources to determine the time-frequency resources for receiving data according to the decoded DCI.

[0100] However, according to the currently adopted method, since it takes time for the terminal device to switch the bandwidth, if the data to be received by the terminal device is close to the control resources in the time domain, the terminal device does not have enough time to switch the bandwidth. Therefore, the terminal device monitors the entire operating bandwidth and performs blind detection on the DCI, resulting in high power consumption when the carrier bandwidth or BWP bandwidth is large.

[0101] The present application provides a communication method and apparatus that can reduce the monitored frequency band range and save monitoring power consumption.

[0102] Figure 3 It is a schematic diagram of a communication method provided by an embodiment of the present application.

[0103] As shown Figure 3 in the figure, a time-frequency resource block is taken as an example. Horizontally from left to right, it can represent from front to back in the time domain, and vertically from top to bottom, it can represent from high to low in the frequency domain. The working bandwidth 310 of the terminal device can be the entire carrier or a BWP. In the following embodiments, the working bandwidth being a BWP can be taken as an example.

[0104] In this time-frequency resource block, a first control resource 320 of the terminal device is configured. The first control resource 320 can occupy a partial frequency range within the frequency domain range of the working bandwidth 310.

[0105] The configuration mode of the first control resource 320 can be configured through signaling. The signaling can be, for example, RRC signaling, MACCE signaling, or DCI, etc.

[0106] The network device can determine the first frequency domain range of the first time-frequency resource for sending the first data according to the first control resource 320. The first frequency domain range can be a partial frequency range within the frequency domain range of the working bandwidth 310.

[0107] As an embodiment, the first time-frequency resource for sending the first data is scheduled by DCI carried on the PDCCH. The PDCCH can be sent using all or part of the time-frequency resources of the first control resource 320. The PDCCH can also be sent using all or part of the time-frequency resources of other control resources. This application does not limit this.

[0108] The first control resource 320 can be a terminal-specific search space, a common search space, a candidate PDCCH, or a CORESET, etc.

[0109] The network device can have multiple working modes. As a possible implementation, when the time-domain distance between the first time-frequency resource and the first control resource is less than or equal to the first threshold, the first working mode is used. The first working mode includes sending the first data of the terminal device on the first time-frequency resource within the first frequency domain range.

[0110] When the time-domain distance between the second time-frequency resource and the first control resource is greater than the first threshold, the second working mode is used. The second working mode includes sending the second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth.

[0111] As another possible embodiment, it can be when the time-domain distance between the first time-frequency resource and the first control resource is less than the first threshold, the first working mode is used. The first working mode includes sending the first data of the terminal device on the first time-frequency resource within the first frequency domain range.

[0112] When the time-domain distance between the second time-frequency resource and the first control resource is greater than or equal to the first threshold, the second working mode is used. The second working mode includes transmitting the second data of the terminal device on the second time-frequency resource within the frequency-domain range of the working bandwidth.

[0113] Exemplarily, the time-domain distance between the first time-frequency resource and the first control resource 320 may be the distance between the start symbol of the first time-frequency resource and the start symbol of the first control resource 320, the distance between the start symbol of the first time-frequency resource and the end symbol of the first control resource 320, the distance between the end symbol of the first time-frequency resource and the start symbol of the first control resource 320, or the distance between the end symbol of the first time-frequency resource and the end symbol of the first control resource 320. The embodiments of the present application do not make any limitations thereto.

[0114] The unit of the time-domain distance may be a symbol, a time slot, etc. The present application does not make any limitations thereto.

[0115] As another possible implementation, when the first time-frequency resource and the first control resource are in different time slots and the time-domain distance is less than or equal to the first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, the first working mode is used. The first working mode includes transmitting the first data of the terminal device on the first time-frequency resource within the first frequency-domain range.

[0116] When the first control resource and the second time-frequency resource are in different time slots and the time-domain distance is greater than the first threshold, the second working mode is used. The second working mode includes transmitting the second data of the terminal device on the second time-frequency resource within the frequency-domain range of the working bandwidth.

[0117] As another possible implementation, it may be that when the first time-frequency resource and the first control resource are in different time slots and the time-domain distance is less than the first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, the first working mode is used. The first working mode includes transmitting the first data of the terminal device on the first time-frequency resource within the first frequency-domain range.

[0118] When the first control resource and the second time-frequency resource are in different time slots and the time-domain distance is greater than or equal to the first threshold, the second working mode is used. The second working mode includes transmitting the second data of the terminal device on the second time-frequency resource within the frequency-domain range of the working bandwidth.

[0119] In the embodiments of the present application, when transmitting the first data of the terminal device, there are multiple working modes. In the first working mode, the frequency-domain range for transmitting the data is determined according to the control resource that is closer to the time-frequency resource occupied by the data, so that the terminal device does not have to monitor the entire bandwidth, and the terminal device can save the power consumption of monitoring.

[0120] Correspondingly, the terminal device can determine a first frequency domain range according to the first control resource of the terminal device. The first frequency domain range can be a partial frequency domain range within the working bandwidth 310 frequency domain range.

[0121] The terminal device can have multiple working modes. As a possible implementation, the terminal device uses the first working mode, and the first working mode includes receiving the first data of the terminal device on the first time-frequency resource within the first frequency domain range, where the time domain distance between the first time-frequency resource and the first control resource is less than or equal to a first threshold.

[0122] The terminal device uses the second working mode, and the second working mode includes receiving the second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth, where the time domain distance between the second time-frequency resource and the first control resource is greater than the first threshold.

[0123] As another possible implementation, the terminal device uses the first working mode, and the first working mode includes receiving the first data of the terminal device on the first time-frequency resource within the first frequency domain range, where the time domain distance between the first time-frequency resource and the first control resource is less than the first threshold.

[0124] The terminal device uses the second working mode, and the second working mode includes receiving the second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth, where the time domain distance between the second time-frequency resource and the first control resource is greater than or equal to the first threshold.

[0125] As another possible implementation, the terminal device uses the first working mode, where the first time-frequency resource and the first control resource are in different time slots and the time domain distance is less than or equal to the first threshold, or the first control resource and the first time-frequency resource are in the same time slot.

[0126] The terminal device uses the second working mode, where the first control resource and the second time-frequency resource are in different time slots and the time domain distance is greater than the first threshold.

[0127] As another possible implementation, the terminal device uses the first working mode, where the first time-frequency resource and the first control resource are in different time slots and the time domain distance is less than the first threshold, or the first control resource and the first time-frequency resource are in the same time slot.

[0128] The terminal device uses the second working mode, where the first control resource and the second time-frequency resource are in different time slots and the time domain distance is greater than or equal to the first threshold.

[0129] In an embodiment of the present application, the terminal device has different working modes and can switch the working mode as needed. When operating in the first working mode, it receives the data expected to be received within the first frequency domain range, reducing the monitored frequency band range compared to the second working mode and saving the power consumption of monitoring.

[0130] Since the bandwidth switching capabilities of different terminal devices may vary, the first threshold may be related to the bandwidth switching capabilities of the terminal device.

[0131] As an embodiment, the first threshold may be preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of protocol-preset thresholds. For example, the first threshold may be a standardized and fixed parameter, a parameter determined by the terminal device according to its own bandwidth switching capabilities and reported to the network device, a parameter determined and configured by the network device for the terminal device, or the terminal device reports the test results of bandwidth switching. For example, the duration of bandwidth switching is 1 ms, and the network device selects the first threshold corresponding to the test results from the set of protocol-preset thresholds.

[0132] It should be understood that the frequency domain ranges used to send the first data in different working modes are different, and the frequency domain range in the first working mode is smaller than the working bandwidth. Thus, the terminal device can monitor the corresponding frequency domain range to simultaneously monitor the first control resource 320 and receive the first data on the first time-frequency resource.

[0133] As a possible embodiment, the terminal device may stop monitoring other frequency domain ranges within the working bandwidth except the first frequency domain range within a range where the time domain distance from the first control resource is less than or equal to the first threshold, or within the same time slot as the first control resource.

[0134] In an embodiment of the present application, when the control resource after the data is close in the time domain to the time-frequency resource where the data is located, the terminal device can receive only the downlink control information within the first frequency domain range, thereby reducing the monitored bandwidth and saving the power consumption of monitoring.

[0135] As a possible embodiment, the first frequency domain range may be Option 1, and the first frequency domain range is the same as the frequency domain range of the first control resource.

[0136] As another possible embodiment, the working bandwidth of the terminal device may include multiple subbands 315, the first frequency domain range may be Option 2, and the first frequency domain range is the same as the frequency domain range of the subband 315 where the first control resource is located.

[0137] The subband 315 may be composed of N resource blocks, N is a positive integer, the value of N is preset by the protocol or configured by the network device, and the value of N may also be associated with the size of the working bandwidth.

[0138] Exemplarily, Table 3 shows an example of the pre - set working bandwidth of the protocol and the frequency - domain range of sub - band 315. The network device can select any one of Configuration 1, Configuration 2, or Configuration 3 to configure for the terminal device.

[0139] Working Bandwidth / RB Configuration 1 / RB Configuration 2 / RB Configuration 3 / RB 1–36 2 4 8 37–72 4 8 16 73–144 8 16 32 145–275 16 16 32

[0140] The above examples are exemplary. The first frequency - domain range can also be other ranges determined according to the first control resource. For example, increasing or decreasing some frequency - domain resources based on the frequency - domain range of the first control resource is covered within the scope of the first frequency - domain range determined according to the first control resource.

[0141] Figure 4 It is a schematic diagram of a communication method according to another embodiment of the present application.

[0142] As Figure 4 shown in the communication method, in the figure, a time - frequency resource block is taken as an example. Horizontally from left to right can represent from front to back in the time domain, and vertically from top to bottom can represent from high to low in the frequency domain.

[0143] In this time - frequency resource block, the first control resource 320 and the second control resource 410 of the terminal device are configured. The frequency - domain ranges of the first control resource 320 and the second control resource 410 can be partial frequency - domain ranges within the frequency - domain range of the working bandwidth 310.

[0144] As Figure 4 shown in (a) therein, where the distance in the time domain between the first control resource 320 and the second control resource 410 is less than or equal to the second threshold, or the first control resource 320 and the second control resource 410 are in the same time slot. Exemplarily, the distance in the time domain between the first control resource 320 and the second control resource 340 can be the distance between the start symbol of the first control resource 320 and the start symbol of the second control resource 340, the distance between the start symbol of the first control resource 320 and the end symbol of the second control resource 340, the distance between the end symbol of the first control resource 320 and the start symbol of the second control resource 340, or the distance between the end symbol of the first control resource 320 and the end symbol of the second control resource 340. The embodiments of the present application do not limit this.

[0145] When the time - domain distances of multiple search - space control resources are relatively close, it may be too late to switch the bandwidth. In order to simultaneously monitor these search - space control resources, these search - space control resources are considered comprehensively.

[0146] As an embodiment, the second threshold may be preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of protocol preset thresholds. For example, the second threshold may be a parameter that has been standardized and fixed, a parameter determined by the terminal device according to its own bandwidth switching ability and reported to the network device, a parameter determined by the network device and configured for the terminal device, or a test result of the terminal device reporting the switched bandwidth.

[0147] Conversely, as shown in (b) of Figure 4 if the time-domain distance between the first control resource 320 and the second control resource 410 is greater than the second threshold, the first control resource 320 and the second control resource 410 may not be considered simultaneously.

[0148] The network device may have multiple working modes. For the description of the working mode part, reference may be made to the above embodiments and will not be elaborated here. Figure 4 The communication method of the embodiment of Figure 3 is different from the communication method of the embodiment in Figure 4 in that the first frequency domain range in the communication method of the embodiment in

[0149] As a possible implementation, Option 1, the first frequency domain range is the same as the frequency domain ranges of the first control resource 320 and the second control resource 410 and the frequency domain range between the first control resource 320 and the second control resource 410.

[0150] As another possible implementation, Option 2, the working bandwidth of the terminal device includes multiple sub-bands 315, and the first frequency domain range is the same as the frequency domain ranges of the sub-bands where the first control resource 320 and the second control resource 410 are located and the sub-bands 315 between the first control resource 320 and the second control resource 410.

[0151] In the embodiment of the present application, when the time-domain distances of multiple control resources are relatively close, the first frequency domain range is determined by comprehensively considering multiple control resources, which can ensure that the terminal device monitors the control information and guarantees the communication reliability.

[0152] The terminal device may have multiple working modes. For the description of the working mode part, reference may be made to the above embodiments and will not be elaborated here. Figure 4 The communication method of the embodiment of Figure 3 is different from the communication method of the embodiment in Figure 4 in that the first frequency domain range in the communication method of the embodiment in

[0153] The method for determining the first frequency domain range based on the first control resource 320 and the second control resource 410 refers to the description in the network device part and will not be elaborated here.

[0154] In the embodiments of the present application, when multiple control resources are close in time domain, considering multiple control resources comprehensively to determine the first frequency domain range can ensure that the terminal device monitors the control information and guarantee the communication reliability.

[0155] It should be understood that the monitoring range of the terminal device is continuous. When monitoring the ranges of multiple control resources, the frequency domain range between multiple control resources can be monitored simultaneously to ensure the continuity of the monitoring range.

[0156] Figure 5 It is a schematic diagram of the communication method of another embodiment of the present application.

[0157] As Figure 5 shown, in the figure, taking a time-frequency resource block as an example, horizontally from left to right can represent from front to back in the time domain, and vertically from top to bottom can represent from high to low in the frequency domain.

[0158] In this time-frequency resource block, the first control resource 320 and the third control resource 520 of the terminal device are configured. The frequency domain ranges of the first control resource 320 and the third control resource 520 can be partial frequency domain ranges within the frequency domain range of the working bandwidth 310.

[0159] The first control resource 320 can be a control resource before the first time-frequency resource 510, and the third control resource 520 can be a control resource after the first time-frequency resource 510.

[0160] Exemplarily, that the first control resource 320 can be a control resource before the first time-frequency resource 510 can mean that the starting symbol of the first control resource 320 is before the starting symbol of the first time-frequency resource 510, or it can mean that the ending symbol of the first control resource 320 is before the starting symbol of the first time-frequency resource 510, or it can also mean that the starting symbol of the first control resource 320 is before the ending symbol of the first time-frequency resource 510, or it can also be that the ending symbol of the first control resource 320 is before the ending symbol of the first time-frequency resource 510. As long as there is no contradiction, the embodiments of the present application do not make limitations on this.

[0161] Exemplarily, the explanation that the third control resource 520 can be a control resource after the first time-frequency resource 510 can refer to the above examples. As long as there is no contradiction, the present application does not make limitations on this.

[0162] It should be understood that "before" and "after" in the embodiments of the present application may include simultaneity. For example, the first control resource 320 being a control resource before the first time-frequency resource 510 includes that the starting symbol of the first control resource 320 is the same as the starting symbol of the first time-frequency resource 510.

[0163] As a possible embodiment, reference may be made to Option 1 and Option 2 in the above embodiments to determine the first frequency domain range according to the first control resource 320 and the third control resource 520, which will not be elaborated herein.

[0164] As another embodiment, the time-domain distance between the third control resource 520 and the first time-frequency resource 510 may be less than or equal to a third threshold. The network device may send downlink control information on a third time-frequency resource in the third control resource located within the first frequency domain range.

[0165] Correspondingly, the terminal device receives downlink control information on a third time-frequency resource within the third control resource located within the first frequency domain range.

[0166] As another embodiment, the third control resource 520 may be within the same time slot as the first time-frequency resource 510. The network device may send downlink control information on a third time-frequency resource in the third control resource located within the first frequency domain range.

[0167] In the embodiments of the present application, when the control resource after the data is close to the time-frequency resource where the data is located in the time domain, downlink control information may be sent only within the first frequency domain range, thereby reducing the listening bandwidth of the terminal device and enabling the terminal device to save listening power consumption.

[0168] Correspondingly, the terminal device receives downlink control information on a third time-frequency resource within the third control resource located within the first frequency domain range.

[0169] In the embodiments of the present application, the terminal device listens for downlink data only within the first frequency domain range, greatly reducing the listening range while ensuring normal data reception and saving listening power consumption.

[0170] The method for determining the third threshold may refer to the first threshold and the second threshold, which will not be elaborated herein.

[0171] Figure 6 It is a schematic diagram of a communication method according to an embodiment of the present application.

[0172] Such as Figure 6The communication method shown, which can involve the interaction between a network device and a terminal device, or the interaction between terminal devices. In the embodiments of this application, taking the transmission of PDSCH as an example, but the embodiments of this application are not limited thereto. For the interaction between terminal devices, the behavior of the network device can be adaptively modified with reference to this embodiment.

[0173] The method may include:

[0174] Optionally, 610, the terminal device sends the first information.

[0175] Correspondingly, the network device receives the first information.

[0176] The first information can be used to indicate that the terminal device can support the first working mode.

[0177] Step 610 may be required for all terminal devices to execute, or it may be an optional step. For example, when the switching between the first working mode and the second working mode is standardized, that is, all terminals support the first working mode, in this case, the first information may not be sent.

[0178] It should be understood that indicating that the terminal device can support the first working mode may mean that the terminal device can work in the first working mode, or it may mean that the terminal device can support the switching between the first working mode and the second working mode.

[0179] Optionally, 620, the network device sends the second information.

[0180] Correspondingly, the terminal device receives the second information.

[0181] The second information is used to enable the first working mode of the terminal device.

[0182] If all terminal devices support the first working mode, the network device can choose whether to enable the first working mode of the terminal device. If the first working mode of the terminal device is enabled, the data scheduling of the network device can meet the scheduling method of the first working mode in the above embodiments.

[0183] If not all terminal devices support the first working mode, the network device can choose whether to enable the first working mode of the terminal device according to the first information sent by the terminal device. If the first working mode of the terminal device is enabled, the data scheduling of the network device can meet the scheduling method of the first working mode in the above embodiments.

[0184] The way to send the second information can be RRC signaling, MAC-CE signaling, DCI, etc., and this application does not make any limitations thereto.

[0185] 630, the network device sends the first data.

[0186] The network device may determine the first frequency domain range of the first time-frequency resource of the first data of the terminal device according to the first control resource of the terminal device.

[0187] When the time domain distance between the first time-frequency resource and the first control resource is less than or equal to the first threshold, use the first working mode.

[0188] When the time domain distance between the second time-frequency resource and the first control resource is greater than the first threshold, use the second working mode.

[0189] Or,

[0190] When the first time-frequency resource and the first control resource are in different time slots and the time domain distance is less than or equal to the first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, use the first working mode.

[0191] When the first control resource and the second time-frequency resource are in different time slots and the time domain distance is greater than the first threshold, use the second working mode.

[0192] Correspondingly, the terminal device receives the first data.

[0193] The terminal device determines the first frequency domain range according to the first control resource;

[0194] The terminal device uses the first working mode, and the first working mode includes receiving the first data of the terminal device on the first time-frequency resource within the first frequency domain range, where the time domain distance between the first time-frequency resource and the first control resource is less than or equal to the first threshold.

[0195] The terminal device uses the second working mode, and the second working mode includes receiving the second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth, where the time domain distance between the second time-frequency resource and the first control resource is greater than the first threshold.

[0196] Or,

[0197] The terminal device uses the first working mode, where the first time-frequency resource and the first control resource are in different time slots and the time domain distance is less than or equal to the first threshold, or the first control resource and the first time-frequency resource are in the same time slot.

[0198] The terminal device uses the second working mode, where the first control resource and the second time-frequency resource are in different time slots and the time domain distance is greater than the first threshold.

[0199] In the embodiment of the present application, by taking the first time-frequency resource and the first control resource being in the same time slot as the condition for using the first working mode, the judgment process can be simplified on the basis of reducing the listening bandwidth and saving power consumption.

[0200] Figure 7 It is a schematic diagram of a communication device provided by an embodiment of the present application.

[0201] As shown in Figure 7 the communication device 700, the device may include a transceiver unit 710 and a determination unit 720. The transceiver unit 710 may be used to implement corresponding communication functions. The transceiver unit 710 may also be referred to as a communication interface or a communication unit. The determination unit 720 may be used to determine resources. Optionally, the transceiver unit 710 may include a receiving unit and a transmitting unit. The receiving unit is used to implement the receiving function, and the transmitting unit is used to implement the transmitting function.

[0202] Optionally, the communication device 700 may further include a storage unit, which may be used to store instructions and / or data. The determination unit 720 may read the instructions and / or data in the storage unit so that the device implements the foregoing method embodiments.

[0203] As a design, the communication device 700 is used to execute the steps or processes executed by the device in the foregoing method embodiments. The transceiver unit 710 is used to execute the operations related to transceiver in the foregoing method embodiments, and the determination unit 720 is used to execute the operations related to determining resources in the foregoing method embodiments.

[0204] It should be understood that the specific processes of each unit executing the above corresponding steps have been described in detail in the foregoing method embodiments. For the sake of brevity, they will not be repeated here.

[0205] It should also be understood that the communication device 700 is embodied in the form of functional units here. The term "unit" here may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (such as a shared processor, a dedicated processor or a group of processors, etc.) for executing one or more software or firmware programs, and a memory, a combined logic circuit and / or other suitable components supporting the described functions. In an optional example, those skilled in the art may understand that the communication device 700 may specifically be the device in the foregoing embodiments (such as a terminal device or a network device), and may be used to execute each process and / or step corresponding to the device in the foregoing method embodiments. To avoid repetition, they will not be repeated here.

[0206] The communication device 700 in each of the above solutions has the function of implementing the corresponding steps performed by the devices (such as terminal devices or network devices, etc.) in the above method. The function can be implemented by hardware or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above functions; for example, the transceiver unit can be replaced by a transceiver (for example, the sending unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiver), and other units, such as the determination unit, etc., can be replaced by a processor to perform the transceiver operations and related determination operations in each method embodiment respectively.

[0207] In addition, the above transceiver unit 710 can also be a transceiver circuit (for example, it can include a receiving circuit and a sending circuit), and the determination unit can be a processing circuit.

[0208] It should be noted that Figure 7 the communication device 700 in

[0209] Figure 8 can be the device in the foregoing embodiments, or a chip or a chip system, for example: a system on chip (SoC). Among them, the transceiver unit can be an input / output circuit or a communication interface; the determination unit is a processor, a microprocessor or an integrated circuit integrated on the chip. It is not limited here.

[0210] As Figure 8 shown in the communication device 800, the communication device may include the device 800 including a processor 810.

[0211] Optionally, as Figure 8 shown, the device 800 further includes a transceiver 820, and the transceiver 820 is used for receiving and / or sending signals. For example, the processor 810 is used to control the transceiver 820 to receive and / or send signals. Optionally, the transceiver 820 may include a receiver and a transmitter, the receiver is used for receiving signals, and the transmitter is used for sending signals.

[0212] The processor 810 may be coupled to the memory 830, and the memory 830 is used to store computer programs or instructions and / or data. The processor 810 is used to execute the computer programs or instructions stored in the memory 830, or read the data stored in the memory 830 to execute the methods in the above method embodiments.

[0213] Optionally, the processor 810 is one or more.

[0214] Optionally, the memory 830 is one or more.

[0215] Optionally, the memory 830 is integrated with the processor 810 or is separately provided.

[0216] As an example, the processor 810 may have Figure 7 the function of the determination unit 720 shown in [FIGURE REFERENCE], the memory 830 may have the function of a storage unit, and the transceiver 820 may have Figure 7 the function of the transceiver unit 710 shown in [FIGURE REFERENCE].

[0217] As a solution, the apparatus 800 is used to implement the operations performed by a device (such as a terminal device or a network device, etc.) in the above method embodiments.

[0218] For example, the processor 810 is used to execute the computer programs or instructions stored in the memory 830 to implement the relevant operations of the device (such as a terminal device or a network device, etc.) in the above method embodiments.

[0219] It should be understood that the processor mentioned in the embodiments of the present application may be a central processing unit (CPU), or may also be other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

[0220] It should also be understood that the memory mentioned in the embodiments of the present application may be a volatile memory and / or a non-volatile memory. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable ROM (PROM), an erasable PROM (EPROM), an electrically erasable PROM (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM). For example, the RAM can be used as an external cache. By way of example and not limitation, the RAM includes the following various forms: static random access memory (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchlink DRAM (SLDRAM), and direct rambus RAM (DR RAM).

[0221] It should be noted that when the processor is a general-purpose processor, DSP, ASIC, FPGA, or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, the memory (storage module) can be integrated in the processor.

[0222] Figure 8 The device in [description] can be the device in the foregoing embodiments, or a chip or a chip system, such as: a system on chip (SoC). Among them, the transceiver can be an input / output circuit, a communication interface; the processor is the processor, microprocessor, or integrated circuit integrated on the chip. There is no limitation here.

[0223] It should also be noted that the memory described herein is intended to include, but not limited to, these and any other suitable types of memory.

[0224] When the device is the chip system, it may (or may also be referred to as a processing system) include logic circuits and an input / output interface (input / output interface).

[0225] Note: In the translation of , the content in brackets "[description]" in the original text is not clear. I translated it according to the context as best as possible. If there is a more accurate expression, please adjust it according to the actual situation.Among them, the logic circuit can be a processing circuit in the chip system. The logic circuit can be coupled to the storage unit and call the instructions in the storage unit, enabling the chip system to implement the methods and functions of the embodiments of the present application. The input / output interface can be an input / output circuit in the chip system, outputting the information processed by the chip system, or inputting the data or signaling information to be processed into the chip system for processing.

[0226] Embodiments of the present application also provide a computer-readable storage medium, on which computer program instructions for implementing the methods executed by devices (such as terminal devices, or network devices) in the above method embodiments are stored.

[0227] For example, when the computer program instructions are executed by a computer, the computer can implement the methods executed by devices (such as terminal devices, or network devices) in the above method embodiments.

[0228] Embodiments of the present application also provide a computer program product, including program instructions, which when executed by a computer, implement the methods executed by devices (such as terminal devices, or network devices) in the above method embodiments.

[0229] Embodiments of the present application also provide a communication system, which includes the terminal devices (such as the first terminal device and / or the second terminal device) and / or network devices in the above embodiments.

[0230] The explanations and beneficial effects of the relevant content in any of the above provided devices can refer to the corresponding method embodiments provided above, and will not be elaborated here.

[0231] Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in combination with the embodiments disclosed in this article can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present application.

[0232] Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working processes of the systems, devices, and units described above can refer to the corresponding processes in the foregoing method embodiments, and will not be elaborated here.

[0233] In several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is only a logical function division. In actual implementation, there can be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed couplings or direct couplings or communication connections to each other can be through some interfaces. The indirect couplings or communication connections of the devices or units can be in electrical, mechanical, or other forms.

[0234] The units described as separate components may or may not be physically separated. The components displayed as units may or may not be physical units, that is, they can be located in one place, or they can be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0235] In addition, in each embodiment of this application, the functional units can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit.

[0236] If the above functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a part of this technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in each embodiment of this application. The aforementioned storage medium includes: various media such as USB flash drives, mobile hard disks, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical discs that can store program codes.

[0237] As described above, this is only the specific implementation manner of this application, but the protection scope of this application is not limited thereto. Any person skilled in the art within the technical scope disclosed in this application can easily think of changes or substitutions, which should all be covered by the protection scope of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims

1. A communication method, characterized in that, The method includes: Determining a first frequency domain range according to a first control resource of a terminal device, where the first frequency domain range is a partial frequency domain range within the operating bandwidth of the terminal device; Using a first operating mode, where the first operating mode includes receiving first data of the terminal device on a first time-frequency resource within the first frequency domain range, where the time-domain distance between the first time-frequency resource and the first control resource is less than or equal to a first threshold, Using a second operating mode, where the second operating mode includes receiving second data of the terminal device on a second time-frequency resource within the frequency domain range of the operating bandwidth, where the time-domain distance between the second time-frequency resource and the first control resource is greater than the first threshold, Or, Using the first operating mode, where the first time-frequency resource and the first control resource are in different time slots and the time-domain distance is less than or equal to the first threshold, or the first control resource and the first time-frequency resource are in the same time slot, Using the second operating mode, where the first control resource and the second time-frequency resource are in different time slots and the time-domain distance is greater than the first threshold, Wherein, The first threshold is preset by a protocol, reported by the terminal device, configured by a network device, or selected from a set of protocol preset thresholds.

2. The method according to claim 1, wherein The first frequency domain range is the same as the frequency domain range of the first control resource.

3. The method according to claim 1, wherein The operating bandwidth of the terminal device includes multiple subbands, and the first frequency domain range is the same as the frequency domain range of the subband where the first control resource is located.

4. The method according to claim 1, wherein The first frequency domain range is the same as the frequency domain ranges of the first control resource and a second control resource and the frequency domain range between the first control resource and the second control resource, Wherein, the time-domain distance between the first control resource and the second control resource is less than or equal to a second threshold, or, The first control resource and the second control resource are in the same time slot.

5. The method according to claim 1, wherein The operating bandwidth of the terminal device includes multiple subbands, and the first frequency domain range is the same as the frequency domain ranges of the subbands where the first control resource and the second control resource are located and the subbands between the first control resource and the second control resource, Wherein, the time-domain distance between the first control resource and the second control resource is less than or equal to a second threshold, or, The first control resource and the second control resource are in the same time slot.

6. The method according to any one of claims 1 to 5, characterized in that The first control resource is before the first time-frequency resource in the time domain, and the method further includes: Receiving downlink control information on a third time-frequency resource, Wherein, the third time-frequency resource is within the first frequency domain range and within a third control resource, and the third control resource is after the first time-frequency resource in the time domain and the time-domain distance from the first time-frequency resource is less than or equal to a third threshold, or The time domain of the third control resource is in the same time slot as the first time-frequency resource.

7. The method according to any one of claims 1 to 6, characterized in that, The method further includes: Sending first information, where the first information is used to indicate that the terminal device supports the first operating mode.

8. The method according to any one of claims 1 to 7, characterized in that The method further includes: Receiving second information, where the second information is used to enable the first operating mode of the terminal device.

9. The method according to any one of claims 1 to 8, characterized in that, The method further includes: Stopping listening to other frequency domain ranges within the working bandwidth except the first frequency domain range within a range where the time domain distance from the first control resource is less than or equal to a first threshold, or within the same time slot as the first control resource.

10. A communication method, characterized in that, The method includes: Determining a first frequency domain range of a first time-frequency resource of first data of the terminal device according to a first control resource of the terminal device, wherein the first frequency domain range is a partial frequency domain range within the working bandwidth of the terminal device, When the time domain distance between the first time-frequency resource and the first control resource is less than or equal to the first threshold, using a first working mode, the first working mode includes transmitting the first data of the terminal device on the first time-frequency resource within the first frequency domain range, When the time domain distance between the second time-frequency resource and the first control resource is greater than the first threshold, using a second working mode, the second working mode includes transmitting second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth, Or, When the first time-frequency resource and the first control resource are in different time slots and the time domain distance is less than or equal to the first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, using the first working mode, When the first control resource and the second time-frequency resource are in different time slots and the time domain distance is greater than the first threshold, using the second working mode, wherein, The first threshold is preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of protocol preset thresholds.

11. The method according to claim 10, wherein The first frequency domain range is the same as the frequency domain range of the first control resource.

12. The method according to claim 10, wherein The working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource is located.

13. The method according to claim 10, wherein The first frequency domain range is the same as the frequency domain ranges of the first control resource and the second control resource and the frequency domain range between the first control resource and the second control resource, wherein the second control resource is a control resource before the first control resource, and the time domain distance between the first control resource and the second control resource is less than or equal to a second threshold, or, The first control resource and the second control resource are in the same time slot.

14. The method according to claim 10, characterized in that, The working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain ranges of the sub-bands where the first control resource and the second control resource are located and the sub-band between the first control resource and the second control resource, wherein the second control resource is a control resource before the first control resource, and the time domain distance between the first control resource and the second control resource is less than or equal to a second threshold, or, The first control resource and the second control resource are in the same time slot.

15. The method according to any one of claims 10 to 14, characterized in that, The first control resource is in front of the first time-frequency resource in the time domain, and the method further includes: Transmitting downlink control information on a third time-frequency resource in a third control resource within the first frequency domain range, Among them, the third control resource is in the time domain after the first time-frequency resource and the distance in the time domain from the first time-frequency resource is less than or equal to a third threshold, or the third control resource is in the same time slot as the first time-frequency resource in the time domain.

16. The method according to any one of claims 10 to 15, characterized in that, The first threshold is preset, reported by the terminal device, or selected from a preset threshold set.

17. The method according to any one of claims 10 to 16, characterized in that, The method further includes: receiving first information, where the first information is used to indicate that the terminal device supports a first working mode.

18. The method according to any one of claims 10 to 17, characterized in that The method further includes: sending second information, where the second information is used to enable the first working mode of the terminal device.

19. A communication device, characterized in that, The apparatus includes: a processor, where the processor is configured to execute the method according to any one of claims 1 to 9, or the method according to any one of claims 10 to 18.

20. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores program instructions, where the program instructions are used to be read by the processor to execute the method according to any one of claims 1 to 9, or the method according to any one of claims 10 to 18.

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